RJ
Ruby Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Ramsey-County, Minnesota
Our Model Tree links this Ruby Johnson across the 1920, 1930 and 1940 US Censuses in Ramsey-County, Minnesota (XGBoost, ~Confirmed), with identified parents Charles & Charles — first a daughter (b.~1912), then head of a 4-person household.
Age 28
b. ~1912
Female
Daughter
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Ramsey-County, Minnesota |
| Surname | Johnson |
| Given Name | Ruby |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | St. Paul City |
| 1935 Residence (County) | Ramsey |
| Additional Details | |
| Occupation | Filing clerk |
| Industry | Publishing company |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 266 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Filing Clerk |
| Township / Ward | St Paul City |
| Est. Birth Year | ~1912 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ruby | Age | Birth yr |
|---|---|---|---|---|
| Ruby Johnson | Daughter | — | 28 | ~1912 |
| Esther Johnson | Daughter | — | 27 | ~1913 |
| Charles Johnson | Head | — | 80 | ~1860 |
| Anna Johnson | Spouse | — | 52 | ~1888 |
Census Appearances
1920
Ramsey, Minnesota
Daughter, age 8
Ramsey, Minnesota · implied b. ~1912 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Ruby E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Minnesota |
| Occupation | none |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Ramsey, Minnesota
Daughter, age 18
Ramsey, Minnesota · implied b. ~1912 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Ruby E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Minnesota |
| Occupation | Clerk |
| Industry | Hardware |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Ramsey-County, Minnesota
Daughter, age 28
Ramsey-County, Minnesota · implied b. ~1912 — 4 household members
| Surname | Johnson |
| Given Name | Ruby |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | St. Paul City |
| 1935 Residence (County) | Ramsey |
| Occupation | Filing clerk |
| Industry | Publishing company |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 266 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Ruby Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Johnson (~0.92 confidence) and father Charles Johnson (~0.92 confidence) and father Charles Johnson (~0.92 confidence) and mother Anna Johnson (~0.92 confidence) and mother Anna Johnson (~0.92 confidence) and mother Anna Johnson (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Johnson
b. ~1860
Source father
● Household
· direct · ~0.92
Father
Charles Johnson
b. ~1860
Source father
● Household
· direct · ~0.92
Father
Charles Johnson
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Anna Johnson
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Anna Johnson
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Anna Johnson
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ruby Johnson
Daughter · 1940 · age 28 · b. ~1912 · Minnesota
★ You are viewing this record
Sibling
Esther Johnson
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Ramsey-County, Minnesota
Open full size
1940 US Federal Census — Ramsey-County, Minnesota
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01994-00478)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Thelma Elizabeth Lang | 43 | Head | Bookkeeper | Minnesota |
| 2 | Elizabeth Kathryn Lang | 20 | Step-daughter | Sales Clerk | Minnesota |
| 3 | John W. Thompson | 71 | Father | — | Sweden |
| 4 | Alfred Dahlby | 50 | Head | Printer | Minnesota |
| 5 | Edna Dahlby | 28 | Wife | — | Minnesota |
| 6 | Frank Olsen | 74 | Head | — | Sweden |
| 7 | Christine Olsen | 63 | Wife | — | Sweden |
| 8 | Henry Heineman | 30 | Head | Painter | Sweden |
| 9 | Mabel Heineman | 32 | Wife | Sales Clerk | Minnesota |
| 10 | James Carver | 30 | Head | Laborer | Arkansas |
| 11 | Gertrude Carver | 37 | Wife | Folder | Minnesota |
| 12 | Timothy Thobue | 50 | Head | Interviewer | Minnesota |
| 13 | Anne Thobue | 36 | Wife | — | Illinois |
| 14 | Donna Thobue | 15 | Daughter | — | Minnesota |
| 15 | Timothy Thobue | 12 | Son | — | Minnesota |
| 16 | Robert Thobue | 11 | Son | — | Minnesota |
| 17 | Richard Thobue | 4 | Son | — | Minnesota |
| 19 | Nellie Johnson | 74 | Head | — | Sweden |
| 20 | Frances Johnson | 42 | Daughter | Order Clerk | Minnesota |
| 21 | Mildred Johnson | 38 | Daughter | Receptionist | Minnesota |
| 22 | Charles Johnson | 80 | Head | — | Sweden |
| 23 | Anna Johnson | 52 | Wife | — | Minnesota |
| 24 | Ruby Johnson THIS PERSON | 28 | Daughter | Filing Clerk | Minnesota |
| 25 | Esther Johnson | 27 | Daughter | Typist | Minnesota |
| 26 | John L. Brisson | 43 | Head | Sales And Collection Agent | Minnesota |
| 27 | Dorothy M. Brisson | 38 | Wife | — | Minnesota |
| 28 | Leonard Brisson | 15 | Son | — | Minnesota |
| 29 | Kenneth Brisson | 4 | Son | — | Minnesota |
| 30 | Louis Lutz | 64 | Head | Laborer | Minnesota |
| 31 | Mary Lutz | 61 | Wife | — | Minnesota |
| 32 | Rudolph Claeson | 37 | Head | Fireman | Minnesota |
| 33 | Agnes M. Claeson | 35 | Wife | — | Minnesota |
| 34 | Richard Claeson | 13 | Son | — | Minnesota |
| 35 | Marlene Claeson | 9 | Daughter | — | Minnesota |
| 36 | Robert Claeson | 7 | Son | — | Minnesota |
| 37 | Ray Le Belle | 27 | Head | Knife Man | Minnesota |
| 38 | Margaret Le Belle | 29 | Wife | — | Minnesota |
| 39 | Kenneth Le Belle | 5 | Son | — | Minnesota |
| 40 | Henry Wunderlich | 80 | Head | — | Wisconsin |
Pedigree Summary
Ruby + 1 sibling
Gen 1 · 6 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)